Polish authorities maintain 13 coal plants should qualify free carbon allowances
Ofgem says penalty should act as a warning to all energy companies that accurate reporting is essential
Both companies differ over whether supply will reach 1GW or 2GW
Yoghurt manufacturer to launch multi-million Euro mutual fund to support socially responsible tree planting schemes
Behavioural Insight Team and DECC to run a series of trials to identify best ways of boosting energy efficiency uptake
National Audit Office report warns national smart meter programme could fail to deliver value for money
Ditlev Engel: "This is yet another step in making wind mainstream"
Think tank warns chancellor George Osborne's UK-only carbon floor price would simply shift emissions to other parts of the EU
Vestas launches Corporate Renewable Energy Index and Global Consumer Wind Survey to boost transparency around clean technology use
New Greenpeace campaign mocks Volkswagen's Star Wars advert to highlight car maker's poor environmental record